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mozilla firefox esr vulnerabilities and exploits
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8.8
CVSSv3
CVE-2023-6207
Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
8.8
CVSSv3
CVE-2023-6208
When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Fi...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
6.5
CVSSv3
CVE-2023-6209
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ES...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
4.3
CVSSv3
CVE-2023-5721
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
7.5
CVSSv3
CVE-2023-5724
Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
4.3
CVSSv3
CVE-2023-5725
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
7.5
CVSSv3
CVE-2023-5728
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
9.8
CVSSv3
CVE-2023-5730
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox &l...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
6.5
CVSSv3
CVE-2023-5732
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Mozilla Firefox
Mozilla Thunderbird
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
4.3
CVSSv3
CVE-2023-5726
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. *Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affe...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
CVSSv3
CVSSv2
CVSSv3
VMScore
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